Seiko Cal. 6656 - 555

The 6656-555 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6656 caliber with 21j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-3cf56aeecde2]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1986

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